2015 Jeep Grand Cherokee power train problems
350 owner complaints filed with NHTSA name the power train on the 2015 Jeep Grand Cherokee — 26% of all complaints for this model year.
What owners report
“System Failed: Total engine failure caused by a defective Recall W79 EGR Cooler, which is available for physical inspection at my residence.Safety Risk: The vehicle suffered a sudden, complete loss of motive power at speed. This caused an immediate traffic hazard, risking a catastrophic rear-end…”
filed Jun 25, 2026
“No check engine lights prior to this, car started to make a noise pulled over to check it out as I was merging over low oil pressure showed and coolant level over temperature, gear then dropped to neutral, managed to pull over without any accidents car then shut off, oil leaked, it makes a horrible…”
filed Jun 18, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- Affected vehicles, equipped with an eight-speed automatic transmission and a monostable…Campaign 16V240000 · Apr 25, 2016
Related service bulletins
Power Liftgate Inoperative.
S2623000023 · Service Bulletin/Repair Instructions · issued Apr 8, 2026The vehicle will exhibit a service transmission/check engine warning indicator for the following transmission models: 845RE, 8HP45, 850RE, 8HP50, 8HP70, 8HP75, 8HP75-PHEV, 8HP75-LCV, 8HP90, 8HP95. Transmissions may…
S2621000003 REV.A · Service Bulletin/Repair Instructions · issued Mar 9, 2026
Power Train problems in other Grand Cherokee years
| Year | Reports | Share |
|---|---|---|
| 2025 Grand Cherokee | 11 | 17% |
| 2024 Grand Cherokee | 26 | 11% |
| 2023 Grand Cherokee | 36 | 10% |
| 2022 Grand Cherokee | 37 | 14% |
| 2021 Grand Cherokee | 56 | 14% |
| 2020 Grand Cherokee | 38 | 17% |
| 2019 Grand Cherokee | 44 | 12% |
| 2018 Grand Cherokee | 70 | 8% |
| 2017 Grand Cherokee | 87 | 24% |
| 2016 Grand Cherokee | 78 | 25% |
| 2014 Grand Cherokee | 473 | 20% |
| 2013 Grand Cherokee | 54 | 7% |
Other reported problem areas on the 2015 Jeep Grand Cherokee
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.